Looking for an Environment / Level Designer for a game project

We are developing a cooperative survival game and are looking for an Environment / Level Design specialist to collaborate on a freelance basis. The project is under active development. We are looking for someone to work on game locations, environment, level construction, object placement, and further development of the game world. Experience with Unity, survival games, and stylized 3D graphics will be a plus. At this stage, we are looking for a specialist to complete the initial tasks with the possibility of further long-term cooperation. Payment is possible via PayPal, Zelle, Wise, and other international payment systems by agreement. In your response, please send brief information about yourself, your portfolio or examples of work, the software you use, your work cost (hourly or per project), and your current availability.